| Avlonas | |
| Name Local: | Αυλώνας |
| Type: | municipal unit |
| Periph: | Peloponnese |
| Periphunit: | Messenia |
| Pop Municunit: | 1325 |
| Pop Community: | 120 |
| Population As Of: | 2021 |
| Area Municunit: | 112.9 |
| Coordinates: | 37.3661°N 21.8031°W |
| Licence: | ΚΜ |
Avlonas (Greek, Modern (1453-);: Αυλώνας) is a village and a former municipality in Messenia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Trifylia, of which it is a municipal unit.[1] The municipal unit has an area of 112.898 km2.[2] Population 1,325 (2021). The seat of the municipality was in Sidirokastro.